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Advanced Trends in Metallurgy and Weldability of High-Strength Cold-Resistant and Cryogenic Steels

Institute of Mechanical Engineering, Materials and Transport, Peter the Great St. Petersburg Polytechnic University, Polytechnicheskaya, 29, 195251 St. Petersburg, Russia
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Academic Editors: Namhyun Kang and Frank Czerwinski
Metals 2021, 11(12), 1891; https://doi.org/10.3390/met11121891
Received: 19 October 2021 / Revised: 16 November 2021 / Accepted: 20 November 2021 / Published: 23 November 2021
Thermomechanical Controlled Processing (TMCP), the initial microstructure and mechanical properties of rolled products made of high-strength steels, have a significant influence on the properties and reliability of welded structures for low temperature and cryogenic service. This paper systematizes advanced research trends in the field of metallurgy and weldability of high-strength cold-resistant and cryogenic steels. The classification and properties of high-strength steels are given and TMCP diagrams and phase transformations are considered. Modern methods of improving the viscoplasticity of rolled steel and welded joints are analyzed. The problems of the weldability of high-strength steels are reduction of impact toughness at low temperatures, hydrogen embrittlement, anisotropy, and softening of welded joints in the heat-affected zone. The authors propose a systemic concept and methods for improving the metallurgy and weldability of high-strength steels for low temperature and cryogenic service. View Full-Text
Keywords: metallurgy; high-strength cold-resistant and cryogenic steels; thermomechanical controlled processing; weldability metallurgy; high-strength cold-resistant and cryogenic steels; thermomechanical controlled processing; weldability
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MDPI and ACS Style

Rudskoi, A.I.; Parshin, S.G. Advanced Trends in Metallurgy and Weldability of High-Strength Cold-Resistant and Cryogenic Steels. Metals 2021, 11, 1891. https://doi.org/10.3390/met11121891

AMA Style

Rudskoi AI, Parshin SG. Advanced Trends in Metallurgy and Weldability of High-Strength Cold-Resistant and Cryogenic Steels. Metals. 2021; 11(12):1891. https://doi.org/10.3390/met11121891

Chicago/Turabian Style

Rudskoi, Andrei I., and Sergey G. Parshin. 2021. "Advanced Trends in Metallurgy and Weldability of High-Strength Cold-Resistant and Cryogenic Steels" Metals 11, no. 12: 1891. https://doi.org/10.3390/met11121891

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